23436004280 has 128 divisors (see below), whose sum is σ = 58022334720. Its totient is φ = 8466032640.

The previous prime is 23436004253. The next prime is 23436004331. The reversal of 23436004280 is 8240063432.

It is a super-2 number, since 2×23436004280² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11877374 + ... + 11879346.

It is an arithmetic number, because the mean of its divisors is an integer number (453299490).

Almost surely, 2^23436004280 is an apocalyptic number.

23436004280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23436004280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29011167360).

23436004280 is an abundant number, since it is smaller than the sum of its proper divisors (34586330440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23436004280 is a wasteful number, since it uses less digits than its factorization.

23436004280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481 (or 2477 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 23436004280 in words is "twenty-three billion, four hundred thirty-six million, four thousand, two hundred eighty".